Sony Switching Regulator (SRV2497WW) - Step-Down Buck Converter IC, 3A, SOP-8

The Sony Switching Regulator (SRV2497WW) is a high-performance step-down (buck) switching regulator IC designed for efficient power management in consumer electronics. With a wide input voltage range of 4.5V to 28V and an adjustable output voltage, this regulator delivers up to 3A of continuous output current. Housed in a compact SOP-8 package, it integrates essential protection features including overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliable operation in demanding environments.

Advantages

This switching regulator offers up to 90% efficiency, reducing power loss and heat generation. Its current mode control provides excellent line and load regulation, while the integrated soft-start function minimizes inrush current during startup. The enable/disable pin allows for easy power sequencing, making it ideal for battery-powered or energy-sensitive applications.

Suitable for

• Power management in TVs, audio systems, and other consumer electronics
• Industrial control systems requiring a stable, adjustable voltage supply
• Embedded systems and IoT devices needing efficient DC-DC conversion

Key specifications

• Component Type: Switching Regulator IC
• Regulator Topology: Step-Down (Buck)
• Input Voltage Range: 4.5V to 28V
• Output Voltage: Adjustable (via external resistor divider)
• Maximum Output Current: 3A
• Switching Frequency: 500 kHz (typical)
• Number of Outputs: 1
• Package Type: SOP-8 (8-pin)
• Operating Temperature Range: -40°C to +85°C
• Protection Features: Overcurrent Protection (OCP), Thermal Shutdown (TSD), Undervoltage Lockout (UVLO)
• Efficiency: Up to 90%
• Control Method: Current Mode Control
• Enable/Disable Function: Yes (via dedicated EN pin)
• Soft-Start Function: Yes (integrated)
• Mounting Type: Surface Mount Device (SMD)
• Manufacturer Part Number (MPN): 1-474-675-11
• Internal Model Code: SRV2497WW

Recommendations

For optimal performance, use appropriate input and output capacitors as recommended in the datasheet. Ensure proper PCB layout to minimize noise and thermal issues. This regulator is a reliable choice for your power management needs.